ALAT Flashcards
How should pressurized gas cylinder be stored?
Secure to a wall.
In reference to change station or laminar flow cabinets, the abbreviation “HEPA”, as in HEPA filter, refers to:
High efficiency particulate air
Chemical fume hoods do not protect:
Animals from exposure to pathogens in the air.
What is the advantage of using an autoclave over other sterilization methods?
It is fast, reliable and relatively inexpensive.
Which biosafety cabinets are known as “glove boxes”?
Class III
What room ventilation rate is recommended by the Guide?
10-15 exchanges per hour
The Guide recommends how many changes of fresh air per hour?
10-15
What is water hardness?
The amount of calcium and magnesium ions present in water.
Which factor has the greatest effect on the amount of dissolved oxygen in the water?
Temperature
Which of these statements is TRUE regarding the microenvironment?
High concentration levels of carbon dioxide and ammonia can be present in the cages.
How far from the wall should feed be stored?
More than 6 inches.
Microorganisms that cause disease are called:
Pathogens
Which statement is TRUE?
Special handling and decontamination of hazardous waste is more expensive and requires more labor.
Animal carcasses from healthy animals are considered hazardous waste.
False.
Where in the body are the fat-soluble vitamins stored?
Liver
Which statement about feed restriction is FALSE?
Feed restriction should be used to punish bad behavior or failure to accept training.
The process of breaking down feed into basic biochemical compounds is known as:
digestion
Which statement is TRUE about defined flora animals?
They are given several varieties of harmless bacteria.
What should a technician do to verify and begin processing the contents of a new shipment of animals?
*Report Container damage to the supervisor and transportation company.
*assess and document the cleanliness of the transporting vehicle.
*Compare the original animal order with the shipping label information.
How long is the usual period of time for acclimation and conditioning?
72 Hours
What type of air pressure is maintained in a quarantine room?
Negative
What is a sign of heat stress in a rodent?
Excessive salivation
Which species of laboratory animal does not have specific identification requirements based on their USDA number?
Horses
What type of medication is commonly given by epidural injection?
Analgesics
Ringworm is caused by which type of microorganism?
Fungi
What are isolation room s used for?
Housing animals that are known or suspected to be carrying pathogens.
Which of the following is a TYPICAL schedule for TB testing in NHPs?
A first test administered within 7 days of arrival, two subsequent tests administered at 2-week intervals, and then testing every 6 months thereafter.
Laboratory cats and dogs are often vaccinated against:
The same diseases that pets are vaccinated against.
What are isolation rooms used for?
Housing animals that are known or suspected to be carrying pathogens.
What method of animal identification do most institutions use for animals arriving at a facility?
Cage Cards
Acepromazine, diazepam and xylazine are examples of what type of drug?
Tranquilizer
Inhalant anesthetics are generally not used for euthanasia of which species because they can hold their breath for long periods of time?
Amphibians and reptiles.
Cervical dislocation is acceptable only for rats weighing less than:
200g
The removal of waste anesthetic gases from an anesthesia chamber or from an anesthesia system with activated charcoal cylinders is called:
Passive scavenging.
The anesthetic concentration and exposure time required for euthanasia will be specified in which document?
The institutional SOPs
Why should a low pressure regulator be used when introducing CO2 gas into a euthanasia chamber?
So the animals are not distressed by the effects of high CO2 concentrations.
Which term means “closer to the tail”?
Caudal
When referring to units of measurement, the prefix ‘micro’ means what?
On millionth
Hemoglobin, a component of blood contains what common element?
Iron
A liquid added o a substance to reduce its concentration is called a what?
Diluent
what does the root “gastro” refer to?
Stomach
How many meters are in a kilometer?
1,000
Looking at the prefix, an enterocyte would be a cell from what part of the body?
Intestine
What is the basis of the metric system?
10
In the Celsius scale, what is the boiling point of water?
100 degrees
What is the formula for converting Fahrenheit to Celsius?
5/9(°F-32)=°C
What is the formula for converting Celsius to Fahrenheit?
(9/5x°C)+32=°F
A 1:3 dilution means that the volume of the substance you are diluting will be ___the final volume.
One-third
What is an example of applied research?
Using cows for developing a new vaccine for chicken pox.
Which disease does not have a spontaneous animal model?
Tuberculosis
What is NOT a disease that may be induced in a laboratory animal by genetic manipulation?
Malaria
Giving an animal an injection of synthetic hormone, compared with a natural hormone, is an example of what kind of scientific research?
New drug study
According to the experimental plan, the experimental group will receive 2 injections of test substance A dissolved in saline, one week apart. What will the control group receive?
2 injections of saline, one week apart.
What breeding method produces animals with minimal genetic variation?
Inbreeding
Lighting systems for rodent rooms should be set up to provide daylight for how long each day?
12-14 hours
Which species is not bred using a harem mating system?
Rabbits
